11.   A blood-covered bicycle was flung in the grass at the side, a piece of flesh tangled into the spokes of the back wheel.

12.   Her head was crushed by the back wheel, as Cobb drove on, oblivious to the accident.

13.   Minali surged into the lead in the final straight with Moncassin locked to his back wheel.

14.   No muss, no fuss, thanks to the standard traction control that keeps the back wheels from spinning.

15.   Others have motors that are actually housed within the rear hub, so retrofitting your bike can be as easy as replacing the back wheel.

16.   Stretching my arms forward, I tried to hang my backside behind the seat of my bike and over the back wheel.

17.   The CRAB tilted crazily as first its front wheel and then its two back wheels passed over the sandbar.

18.   The Insight, a futuristic looking two-seater with a sweep of sheet metal covering the back wheel wells, looks sportier and achieves higher mileage.

19.   They will have a basket on the front of the bike and panniers on the rack over the back wheel.